.layui-icon-app {
    margin-left: 15px;
}
.layui-footer {
    text-align: center;
}
.layui-body {
    overflow: hidden;
}
iframe {
    width: 100%;
    height: 100%;
}
.userinfo {
    height: 60px;
    line-height: 60px;
    text-align: center;
    user-select: none;
}
.user {
    display: inline-block;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: skyblue;
    line-height: 30px;
    text-align: center;
}